package main

import "fmt"

func main() {
	v := [...]int{1, 2, 3, 4, 5, 6}
	switch v[4] {
	case v[0], v[1], v[2]:
		fmt.Println("1 or 2")
	case v[2], v[3], v[4]:
		fmt.Println("3 or 4")
	case v[3], v[4], v[5]:
		fmt.Println("5 or 6")
	}
}